1 files changed, 84 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-tbh.ll b/test/CodeGen/Thumb2/thumb2-tbh.ll
new file mode 100644
index 00000000000..cd9c8e1015b
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-tbh.ll
@@ -0,0 +1,84 @@
+; RUN: llc < %s -mtriple=thumbv7-apple-darwin -relocation-model=pic | FileCheck %s
+
+; Thumb2 target should reorder the bb's in order to use tbb / tbh.
+
+	%struct.R_flstr = type { i32, i32, i8* }
+	%struct._T_tstr = type { i32, %struct.R_flstr*, %struct._T_tstr* }
+@_C_nextcmd = external global i32		; <i32*> [#uses=3]
+@.str31 = external constant [28 x i8], align 1		; <[28 x i8]*> [#uses=1]
+@_T_gtol = external global %struct._T_tstr*		; <%struct._T_tstr**> [#uses=2]
+
+declare i32 @strlen(i8* nocapture) nounwind readonly
+
+declare void @Z_fatal(i8*) noreturn nounwind
+
+declare noalias i8* @calloc(i32, i32) nounwind
+
+define i32 @main(i32 %argc, i8** nocapture %argv) nounwind {
+; CHECK: main:
+; CHECK: tbb
+entry:
+	br label %bb42.i
+
+bb1.i2:		; preds = %bb42.i
+	br label %bb40.i
+
+bb5.i:		; preds = %bb42.i
+	%0 = or i32 %argc, 32		; <i32> [#uses=1]
+	br label %bb40.i
+
+bb7.i:		; preds = %bb42.i
+	call  void @_T_addtol(%struct._T_tstr** @_T_gtol, i32 0, i8* null) nounwind
+	unreachable
+
+bb15.i:		; preds = %bb42.i
+	call  void @_T_addtol(%struct._T_tstr** @_T_gtol, i32 2, i8* null) nounwind
+	unreachable
+
+bb23.i:		; preds = %bb42.i
+	%1 = call  i32 @strlen(i8* null) nounwind readonly		; <i32> [#uses=0]
+	unreachable
+
+bb33.i:		; preds = %bb42.i
+	store i32 0, i32* @_C_nextcmd, align 4
+	%2 = call  noalias i8* @calloc(i32 21, i32 1) nounwind		; <i8*> [#uses=0]
+	unreachable
+
+bb34.i:		; preds = %bb42.i
+	%3 = load i32* @_C_nextcmd, align 4		; <i32> [#uses=1]
+	%4 = add i32 %3, 1		; <i32> [#uses=1]
+	store i32 %4, i32* @_C_nextcmd, align 4
+	%5 = call  noalias i8* @calloc(i32 22, i32 1) nounwind		; <i8*> [#uses=0]
+	unreachable
+
+bb35.i:		; preds = %bb42.i
+	%6 = call  noalias i8* @calloc(i32 20, i32 1) nounwind		; <i8*> [#uses=0]
+	unreachable
+
+bb37.i:		; preds = %bb42.i
+	%7 = call  noalias i8* @calloc(i32 14, i32 1) nounwind		; <i8*> [#uses=0]
+	unreachable
+
+bb39.i:		; preds = %bb42.i
+	call  void @Z_fatal(i8* getelementptr ([28 x i8]* @.str31, i32 0, i32 0)) nounwind
+	unreachable
+
+bb40.i:		; preds = %bb42.i, %bb5.i, %bb1.i2
+	br label %bb42.i
+
+bb42.i:		; preds = %bb40.i, %entry
+	switch i32 %argc, label %bb39.i [
+		i32 67, label %bb33.i
+		i32 70, label %bb35.i
+		i32 77, label %bb37.i
+		i32 83, label %bb34.i
+		i32 97, label %bb7.i
+		i32 100, label %bb5.i
+		i32 101, label %bb40.i
+		i32 102, label %bb23.i
+		i32 105, label %bb15.i
+		i32 116, label %bb1.i2
+	]
+}
+
+declare void @_T_addtol(%struct._T_tstr** nocapture, i32, i8*) nounwind